GATE CSE · 2024 · CS
Question 45: Databases
Give it a try, then reveal the answer to check your work.
Question 45
CSMCQ2 marksNeeds review
The relation schema,
, describes the city of residence for every person uniquely identified by pid. The following relational algebra operators are available: selection, projection, cross product, and rename.To find the list of cities where at least 3 persons reside, using the above operators, the minimum number of cross product operations that must be used is
Your answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerEXPLORE & PRACTISE
Paper and topic context
See where this question comes from and choose what to practise next.
2024CS
GATE CSE 2024 · Paper 2
Computer Science and Information Technology · Original paper archive
- Section
- Computer Science and Information Technology
- Question type
- Multiple choice (MCQ)
- Marks
- 2 marks
Practise related topics
Explore more previous year questions using this question’s imported topic tags.
computer science
GATE CSE previous year questions
information technology
GATE CSE previous year questions
computing
GATE CSE previous year questions
databases
GATE CSE previous year questions
relational algebra
GATE CSE previous year questions
Comments
Ask a question, share your approach, or help someone understand.
Log in to view the discussion
You’re not logged in. Log in or create an account to see discussions and add comments.